VANE PUMP DEVICE
A vane pump device that has: a rotor that supports 10 vanes so as to be movable in the rolling radius direction and rotates same; and a cam ring having an inner circumferential surface facing the outer circumferential surface of the rotor. The vane pump device transitions to a suction step in which...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
18.01.2022
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Subjects | |
Online Access | Get full text |
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Abstract | A vane pump device that has: a rotor that supports 10 vanes so as to be movable in the rolling radius direction and rotates same; and a cam ring having an inner circumferential surface facing the outer circumferential surface of the rotor. The vane pump device transitions to a suction step in which hydraulic fluid is sucked into at least a pump chamber and a discharge step in which the hydraulic fluid is discharged from the pump chamber, by the capacity of the pump chamber changing in accordance with the rotation angle, as a result of the distance from the rotational center of the rotor to the inner circumferential surface of the cam ring changing in accordance with the rotation angle of the rotor. A starting angle, being a rotation angle at which the distance starts to increase after segments having the same distance have reached a prescribed rotation angle, has a rotation angle difference of no more than 2.5 degrees relative to a center angle, when the center angle is an angle that equally divides a rotatio |
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AbstractList | A vane pump device that has: a rotor that supports 10 vanes so as to be movable in the rolling radius direction and rotates same; and a cam ring having an inner circumferential surface facing the outer circumferential surface of the rotor. The vane pump device transitions to a suction step in which hydraulic fluid is sucked into at least a pump chamber and a discharge step in which the hydraulic fluid is discharged from the pump chamber, by the capacity of the pump chamber changing in accordance with the rotation angle, as a result of the distance from the rotational center of the rotor to the inner circumferential surface of the cam ring changing in accordance with the rotation angle of the rotor. A starting angle, being a rotation angle at which the distance starts to increase after segments having the same distance have reached a prescribed rotation angle, has a rotation angle difference of no more than 2.5 degrees relative to a center angle, when the center angle is an angle that equally divides a rotatio |
Author | TAGA NAOYA |
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DocumentTitleAlternate | 叶片泵装置 |
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Notes | Application Number: CN202080042993 |
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RelatedCompanies | HITCHI ASTEMO, LTD |
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Snippet | A vane pump device that has: a rotor that supports 10 vanes so as to be movable in the rolling radius direction and rotates same; and a cam ring having an... |
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SubjectTerms | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
Title | VANE PUMP DEVICE |
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